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Ragnarök Question Series: if a nanotechnology catastrophe occurs, will it reduce the human population by 95% or more?

6

Ragnarök Series

Will humanity (essentially) run out of at least one element currently considered "under serious threat" by 2040?

148 forecasters

15

Will the significant discrepancies in Hubble parameter determinations be resolved by 2030 within the ΛCDM standard cosmological model?

14

Will the EU propose a ban on hydrazine for spacecraft propulsion by 2025?

5

Will the US propose a ban on hydrazine for spacecraft propulsion by January 20, 2025?

The Decarbonization of Heat in the UK

8

Metaculus Journal Archives

What will be the total value of the green hydrogen/ammonia market in 2050 (in trillions 2021 USD)?

1

Will >1% of global primary aluminum be produced by carbon-free technology before 2030?

7

When will the first fully autonomous surgery or procedure be performed on a human?

15

AI Demonstrations

When will at least 1% of global cement production be carbon-neutral?

9